How to use csv column mapper & renamer

CSV Column Mapper & Renamer — free, instant, and private.

The CSV Column Mapper & Renamer runs entirely in your browser. No account, no server upload.

Try it live

How it works

  1. Open the tool and enter your input.
  2. Results update instantly as you type.
  3. Copy or download the output — data stays on your device.

Privacy

All processing is client-side. Your input never leaves your browser.